- 您現(xiàn)在的位置：買賣IC網(wǎng) > PDF目錄367820 > PCF8813 (NXP Semiconductors N.V.) (67 + 1) x 102 pixels matrix LCD driver PDF資料下載
參數(shù)資料
| 型號： | PCF8813 |
| 廠商： | NXP Semiconductors N.V. |
| 英文描述： | (67 + 1) x 102 pixels matrix LCD driver |
| 中文描述： | （67 1）× 102像素矩陣LCD驅(qū)動器 |
| 文件頁數(shù)： | 49/72頁 |
| 文件大?。?/td> | 446K |
| 代理商： | PCF8813 |
第1頁第2頁第3頁第4頁第5頁第6頁第7頁第8頁第9頁第10頁第11頁第12頁第13頁第14頁第15頁第16頁第17頁第18頁第19頁第20頁第21頁第22頁第23頁第24頁第25頁第26頁第27頁第28頁第29頁第30頁第31頁第32頁第33頁第34頁第35頁第36頁第37頁第38頁第39頁第40頁第41頁第42頁第43頁第44頁第45頁第46頁第47頁第48頁當前第49頁第50頁第51頁第52頁第53頁第54頁第55頁第56頁第57頁第58頁第59頁第60頁第61頁第62頁第63頁第64頁第65頁第66頁第67頁第68頁第69頁第70頁第71頁第72頁
2004 Mar 05
49
Philips Semiconductors
Product specification
(67 + 1)
×
102 pixels matrix LCD driver
PCF8813
17 MODULE MAKER PROGRAMMING
One Time Programmable (OTP) technology has been
implemented on the PCF8813. This enables the module
maker to program some features of the PCF8813 after it
has been assembled on an LCD module. Programming is
made under the control of the interfaces and using the
special pad V
OTPPROG
. This pad must be made available
on the module glass but does not need to be accessed by
the set maker.
Module maker programming is an extension of the normal
functions of the PCF8813 and is effective until specifically
instructed otherwise with the disable OTP command.
The PCF8813 features three module maker
programmable parameters:
V
LCD
calibration (5 bits)
Manufacturer identity (3 bits)
Seal bit (1-bit).
17.1
LCD voltage calibration
Referring to Fig.47, the V
LCD
calibration parameter
comprises a 5-bit code (V
CAL
[4:0]). The code is
implemented in twos complement notation giving a
positive or negative offset to the V
PR
register. The range of
the V
PR
[6:0] register is 0 to 127. The adder in the circuit
takes this into account by having underflow and overflow
protection added to it. In the event of an overflow, the
output will be clamped to 255, and in the case of an
underflow the output will be clamped to 0.
Given that
and
V
LCD
can be calculated using parameters a and b that are
defined in Table 17. An example of the relationship
between V
CAL
code and the V
LCD
calibration is shown in
Table 19, where b is assumed to be 25.6 mV.
Possible values for V
CAL
are given in Table 19. The default
value for V
CAL
when OTP is disabled is V
CAL
[4:0] = 00000.
V
OP
V
CAL
V
PR
+
=
V
LCD
a
V
OP
b
T(norm)
×
+
=
handbook, full pagewidth
MGU644
VOP
16 to
+
15
0 to
+
127
to high voltage
generator
VCAL[4:0]
VPR register: 7-bit UNSIGNED value
VLCD calibration: 5-bit SIGNED value
VPR[6:0]
+
Fig.47 V
LCD
calibration.
相關PDF資料 |
PDF描述 |
|---|---|
| PCF88132 | (67 + 1) x 102 pixels matrix LCD driver |
| PCF88132DA | (67 + 1) x 102 pixels matrix LCD driver |
| PCF8813U | (67 + 1) x 102 pixels matrix LCD driver |
| PCF8820 | 67 x 101 Grey-scale/ECB colour dot matrix LCD driver |
| PCF8820U | 67 x 101 Grey-scale/ECB colour dot matrix LCD driver |
相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| PCF88132 | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:(67 + 1) x 102 pixels matrix LCD driver |
| PCF88132DA | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:(67 + 1) x 102 pixels matrix LCD driver |
| PCF8813U | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:(67 + 1) x 102 pixels matrix LCD driver |
| PCF8820 | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:67 x 101 Grey-scale/ECB colour dot matrix LCD driver |
| PCF8820U | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:67 x 101 Grey-scale/ECB colour dot matrix LCD driver |
發(fā)布緊急采購，3分鐘左右您將得到回復。